October weather forecast
Harwich Port, MA

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Weather in October

October, like September, is another refreshing autumn month in Harwich Port, Massachusetts, with an average temperature varying between 54.9°F (12.7°C) and 59.5°F (15.3°C).

Temperature

The beginning of October brings a minor change in the average high-temperature, shifting from a comfortable 66.6°F (19.2°C) in September to a still refreshing 59.5°F (15.3°C). Harwich Port sees a gentle drop from the daily peak temperature in October, with an average low settling at a cool 54.9°F (12.7°C).

Humidity

In October, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is October, when the rain falls for 13.4 days and typically aggregates up to 2.83" (72mm) of precipitation.

Snowfall

May through October are months without snowfall.

Ocean temperature

In October, the average ocean temperature is 58.6°F (14.8°C).
Note: Staying in 58.6°F (14.8°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

In October, the average length of the day is 11h and 4min.
On the first day of the month, sunrise is at 6:37 am and sunset at 6:21 pm. On the last day of October, sunrise is at 7:11 am and sunset at 5:35 pm EDT.

Sunshine

The average sunshine in October is 6.6h.

UV index

In October, the average daily maximum UV index in Harwich Port is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 4 during October translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Harwich Port in October?

Harwich Port in October has an average high-temperature of 59.5°F (15.3°C) and an average low-temperature of 54.9°F (12.7°C).

What is the average humidity in October?

The average relative humidity in October is 77%.

What is the rainiest month?

October is the month with the most rainfall. Rain falls for 13.4 days and accumulates 2.83" (72mm) of precipitation.

How many days does it rain in October?

In October, the rain falls for 13.4 days. Throughout October, 2.83" (72mm) of precipitation is accumulated.

When it does not snow?

In Harwich Port, snow does not fall in May through October.

Does it snow in October?

In Harwich Port, in October, it doesn't snow. In November, it regularly snows.

What is the ocean temperature in October?

In October, the average ocean temperature is 58.6°F (14.8°C). Swimming in 58.6°F (14.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in October?

In October, the average day length is 11h and 4min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:37 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:35 pm EDT.

How many hours of sunshine does Harwich Port have in October?

In October, the average sunshine duration is 6.6h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Harwich Port, MA

Average temperature in October - Harwich Port, MA
  • Average high temperature in October: 59.5°F

The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are January and February (39°F).

  • Average low temperature in October: 54.9°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in October
Harwich Port, MA

Average pressure in October - Harwich Port, MA
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Harwich Port, MA

Average wind speed in October - Harwich Port, MA
  • Average wind speed in October: 15.5mph

The windiest month (with the highest average wind speed) is January (18mph).
The calmest month (with the lowest average wind speed) is August (11.4mph).

Average humidity in October
Harwich Port, MA

Average humidity in October - Harwich Port, MA
  • Average humidity in October: 77%

The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is November (74%).

Average rainfall in October
Harwich Port, MA

Average rainfall in October - Harwich Port, MA
  • Average rainfall in October: 2.83"

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is November (1.46").

Average rainfall days in October
Harwich Port, MA

Average rainfall days in October - Harwich Port, MA
  • Average rainfall days in October: 13.4 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in October
Harwich Port, MA

Average snowfall in October - Harwich Port, MA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Harwich Port, MA

Average snowfall days in October - Harwich Port, MA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in October
Harwich Port, MA

Average sea temperature in October - Harwich Port, MA
  • Average sea temperature in October: 58.7°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

Average daylight in October /
Average sunshine in October
Harwich Port, MA

Average daylight in October / Average sunshine in October - Harwich Port, MA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in October
Harwich Port, MA

Average sunshine days in October - Harwich Port, MA
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is January (13 days).

Average UV index in October
Harwich Port, MA

Average UV index in October - Harwich Port, MA
  • Average UV index in October: 4

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October
Harwich Port, MA

Average cloud cover in October - Harwich Port, MA
  • Average cloud cover in October: 41

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in October
Harwich Port, MA

Average visibility in October - Harwich Port, MA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Harwich Port, Massachusetts, USA

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